MCQs for Biology Class 11 with Answers Chapter 18 Body Fluids and Circulation

Students of class 11 Biology should refer to MCQ Questions Class 11 Biology Body Fluids and Circulation with answers provided here which is an important chapter in Class 11 Biology NCERT textbook. These MCQ for Class 11 Biology with Answers have been prepared based on the latest CBSE and NCERT syllabus and examination guidelines for Class 11 Biology. The following MCQs can help you to practice and get better marks in the upcoming class 11 Biology examination

Chapter 18 Body Fluids and Circulation MCQ with Answers Class 11 Biology

MCQ Questions Class 11 Biology Body Fluids and Circulation provided below have been prepared by expert teachers of grade 11. These objective questions with solutions are expected to come in the upcoming Standard 11 examinations. Learn the below provided MCQ questions to get better marks in examinations.

Question. The second heart sound “dub” is associated with :-
(a) Opening of semilunar valves
(b) Opening of AV valves
(c) Closure of AV valves
(d) Closure of the semilunar valves

Answer

D

Question. During each cardiac cycle two prominent sounds are produced which can be easily heard through a :-
(a) Electro cardiograph
(b) Stethoscope
(c) Sphygmomanometer
(d) Galvanometer

Answer

B

Question. ………… are the most abundant cells of the total WBCs and …………. are the least among them.
(a) Acidophils, Basophils
(b) Basophils, Neutrophils
(c) Neutrophils, Monocyte
(d) Neutrophils, Basophils

Answer

D

Question. Match the columns and choose the correct answer :-

Column-IColumn-IIColumn-III
a1 Blood pressureb1 Blood pressurec1 120/80 mmHg higher than normal
a2 Hypertensionb2 Blood pressurec2 140/90 mmHg lower than normal
a3 Hypotensionb3 Pressure applied byc3 100/70 mmHg flowing blood on the walls of arteries

(a) a1b3c1 , a2b2c2, a3b1c3
(b) a1b3c1 , a2b1c2, a3b2c3
(c) a1b2c2, a2b3c3, a3b1c1
(d) a1b1c1, a2b2c2, a3b3c3

Answer

B

Question. In humans, blood passes from the ventricles to the pulmonary artery and aorta due to :-
(a) Increase in atrial pressure
(b) Increase in ventricular pressure
(c) Decrease in ventricular pressure
(d) Suction pull

Answer

B

Question. Heart is __a__ derived organ, is situated in the __b__ cavity, in between the two __c__ slightly tilted to the __d__:- a b c d
(a) Endodermally, Thoracic, lungs, left
(b) Mesodermally, Thoracic, lungs, left
(c) Mesodermally, Thoracic, lungs, right
(d) Endodermally, Thoracic, lungs, left

Answer

B

Question. Which of the these has a double closed type of circulatory system ?
(a) Cockroach, Fish
(b) Fish, Frog
(c) Earthworm, Human
(d) Birds, Human

Answer

D

Question. Which of the following is not a function of sympathetic nervous system ?
(a) Increase the rate of heart beat
(b) Decrease the rate of heart beat
(c) Increase the cardiac output
(d) Increase the strength of ventricular contraction

Answer

B

Question. Choose the wrong statement :-
(a) Heart has the size of a clenched first
(b) Heart is protected by a double walled membranous bag, the pericardium
(c) Human heart has four chambers, two relatively large upper chambers called atria and two smaller lower chambers called ventricles
(d) The atrium and ventricle of the same side are separated by a thick fibrous tissue called the atrio-ventricular septum

Answer

C

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